Access Control Management of Information System based on Homomorphism and Blockchain Technology
Jingli Han, Qing Xia, Zhaoli Wang · 2023
In the centralized user rights management scheme, the information system is faced with the threat of overstep access and malicious tampering of sensitive data such as key operation records, and it is difficult to ensure the auditability. At the same time, although encryption can be adopted to ensure the security of sensitive data, it will cause difficulties in data operation and access. This paper presents a method to build a user rights management scheme using blockchain, and combined with the research of identity-based homomorphic encryption, proposes an information system access control management scheme based on homomorphism and blockchain technology and a method to build a sensitive information storage scheme to improve the storage and operation security of sensitive data. To achieve unified and standardized management of information system user operation behaviors, complete the decentralized, untampered, traceable user rights and operation data recording mode.